/Engine/Source/Runtime/Engine/Classes/Engine/Level.h
Rebuilds static streaming data for all levels in the specifiedUWorld.
static void BuildStreamingData ( [UWorld](API\Runtime\Engine\Engine\UWorld) * World, [ULevel](API\Runtime\Engine\Engine\ULevel) * TargetLevel, [UTexture2D](API\Runtime\Engine\Engine\UTexture2D) * TargetTexture )